Liberite is a very rare lithium beryllium silicate that typically occurs as granular masses within complex granite pegmatites. It is visually unremarkable, often appearing as off-white to colorless grains, and is primarily sought after by advanced systematic mineral collectors due to its rarity and specific chemical composition.
Is this liberite?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch liberite with a known reference. Liberite sits at Mohs 5-6, softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Liberite leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Liberite typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: white, colorless, yellowish-white.
- 5Look at form & habitCrystal system: monoclinic. Typical habit: granular to massive.
Often confused with
Liberite vs. its common look-alikes, and how to tell them apart in the field.
Often found alongside liberite
Minerals reported to co-occur with liberite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Li₂BeSiO₄
- Mohs hardness
- 5-6
- Density
- 2.83 g/cm³
- Streak
- White
- Luster
- Vitreous
- Transparency
- Translucent
- Crystal system
- Monoclinic
- Crystal habit
- Granular to Massive
- Cleavage
- Poor
- Rarity
- Rare
- Uses
- Collector
- Host rock
- Granite Pegmatites
- Typical price
- $50-300 per specimen
Where rockhounds find liberite
Classic worldwide localities
- Koktogay, China
- Altay Mountains, China
Field-hunting tip
Look in granite pegmatites country, the host setting where liberite typically forms. If you start seeing beryl, albite, lepidolite in float, you are in the right ground. Field specimens usually show a granular to massive habit, so train your eye for that shape before scanning the outcrop.
Common questions
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Find liberite on the map
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